From Longman Dictionary of Contemporary Englishshoweryshow‧er‧y /ˈʃaʊəri $ ˈʃaʊri/ adjective HEMraining frequently for short periods a showery day
Examples from the Corpus
showery• East Anglia: Bright, mainly dry, becoming showery.• Frontal zones gave periods of rain followed by brighter, more showery conditions.• A showery day, as I recall.• At mid-morning the traffic was heavy, slowed down by the showery outbreak.• The issue rarely surfaced in the showery south-east until a string of droughts in the 1980s.• Northern Ireland will have continuous and heavy rain but gradually become more showery with thunder likely. 